30787090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{38971}}^1$

素因数の和:39057

約数の個数: 16

約数和(自身を含む): 56119680

約数和(自身を除く): 25332590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 38971, 77942, 194855, 389710, 3078709, 6157418, 15393545, 30787090]

約数ペア:

[(1, 30787090), (2, 15393545), (5, 6157418), (10, 3078709), (79, 389710), (158, 194855), (395, 77942), (790, 38971)]